19302929 has 2 divisors, whose sum is σ = 19302930. Its totient is φ = 19302928.

The previous prime is 19302887. The next prime is 19302931. The reversal of 19302929 is 92920391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 9443329 = 3140^2 + 3073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19302929 is a prime.

It is a Sophie Germain prime.

Together with 19302931, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (19302979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9651464 + 9651465.

It is an arithmetic number, because the mean of its divisors is an integer number (9651465).

Almost surely, 2^19302929 is an apocalyptic number.

It is an amenable number.

19302929 is a deficient number, since it is larger than the sum of its proper divisors (1).

19302929 is an equidigital number, since it uses as much as digits as its factorization.

19302929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 19302929 is about 4393.5098725279. The cubic root of 19302929 is about 268.2508279537.

The spelling of 19302929 in words is "nineteen million, three hundred two thousand, nine hundred twenty-nine".